allow to add a personal note to a share

Signed-off-by: Bjoern Schiessle <bjoern@schiessle.org>

8 files changed, 286 insertions, 6 deletions

diff --git a/apps/files_sharing/lib/Controller/ShareAPIController.php b/apps/files_sharing/lib/Controller/ShareAPIController.php
index d30d5a05a22..816ecde9c40 100644
--- a/apps/files_sharing/lib/Controller/ShareAPIController.php
+++ b/apps/files_sharing/lib/Controller/ShareAPIController.php
@@ -698,17 +698,21 @@ class ShareAPIController extends OCSController {
 	 * @param string $password
 	 * @param string $publicUpload
 	 * @param string $expireDate
+	 * @param string $note
 	 * @return DataResponse
-	 * @throws OCSNotFoundException
+	 * @throws LockedException
+	 * @throws NotFoundException
 	 * @throws OCSBadRequestException
 	 * @throws OCSForbiddenException
+	 * @throws OCSNotFoundException
 	 */
 	public function updateShare(
 		string $id,
 		int $permissions = null,
 		string $password = null,
 		string $publicUpload = null,
-		string $expireDate = null
+		string $expireDate = null,
+		string $note = null
 	): DataResponse {
 		try {
 			$share = $this->getShareById($id);
@@ -722,10 +726,14 @@ class ShareAPIController extends OCSController {
 			throw new OCSNotFoundException($this->l->t('Wrong share ID, share doesn\'t exist'));
 		}
 
-		if ($permissions === null && $password === null && $publicUpload === null && $expireDate === null) {
+		if ($permissions === null && $password === null && $publicUpload === null && $expireDate === null && $note === null) {
 			throw new OCSBadRequestException($this->l->t('Wrong or no update parameter given'));
 		}
 
+		if($note !== null) {
+			$share->setNote($note);
+		}
+
 		/*
 		 * expirationdate, password and publicUpload only make sense for link shares
 		 */
diff --git a/apps/sharebymail/lib/ShareByMailProvider.php b/apps/sharebymail/lib/ShareByMailProvider.php
index 1a1855b9c44..bf251c627a0 100644
--- a/apps/sharebymail/lib/ShareByMailProvider.php
+++ b/apps/sharebymail/lib/ShareByMailProvider.php
@@ -506,6 +506,61 @@ class ShareByMailProvider implements IShareProvider {
 		return true;
 	}
 
+	protected function sendNote(IShare $share) {
+
+		$recipient = $share->getSharedWith();
+
+
+		$filename = $share->getNode()->getName();
+		$initiator = $share->getSharedBy();
+		$note = $share->getNote();
+
+		$initiatorUser = $this->userManager->get($initiator);
+		$initiatorDisplayName = ($initiatorUser instanceof IUser) ? $initiatorUser->getDisplayName() : $initiator;
+		$initiatorEmailAddress = ($initiatorUser instanceof IUser) ? $initiatorUser->getEMailAddress() : null;
+
+		$plainBodyPart = $this->l->t("%s shared »%s« with you and want to add:\n", [$initiatorDisplayName, $filename]);
+		$htmlBodyPart = $this->l->t('%s shared »%s« with you and want to add:', [$initiatorDisplayName, $filename]);
+
+		$message = $this->mailer->createMessage();
+
+		$emailTemplate = $this->mailer->createEMailTemplate('shareByMail.sendNote', [
+			'filename' => $filename,
+			'note' => $note,
+			'initiator' => $initiatorDisplayName,
+			'initiatorEmail' => $initiatorEmailAddress,
+			'shareWith' => $recipient,
+		]);
+
+		$emailTemplate->setSubject($this->l->t('»%s« added a note to a file shared with you', [$initiatorDisplayName]));
+		$emailTemplate->addHeader();
+		$emailTemplate->addHeading($this->l->t('Note regarding »%s«', [$filename]), false);
+		$emailTemplate->addBodyText(htmlspecialchars($htmlBodyPart), $plainBodyPart);
+		$emailTemplate->addBodyText($note);
+
+		// The "From" contains the sharers name
+		$instanceName = $this->defaults->getName();
+		$senderName = $this->l->t(
+			'%s via %s',
+			[
+				$initiatorDisplayName,
+				$instanceName
+			]
+		);
+		$message->setFrom([\OCP\Util::getDefaultEmailAddress($instanceName) => $senderName]);
+		if ($initiatorEmailAddress !== null) {
+			$message->setReplyTo([$initiatorEmailAddress => $initiatorDisplayName]);
+			$emailTemplate->addFooter($instanceName . ' - ' . $this->defaults->getSlogan());
+		} else {
+			$emailTemplate->addFooter();
+		}
+
+		$message->setTo([$recipient]);
+		$message->useTemplate($emailTemplate);
+		$this->mailer->send($message);
+
+	}
+
 	/**
 	 * send auto generated password to the owner. This happens if the admin enforces
 	 * a password for mail shares and forbid to send the password by mail to the recipient
@@ -662,8 +717,13 @@ class ShareByMailProvider implements IShareProvider {
 			->set('uid_initiator', $qb->createNamedParameter($share->getSharedBy()))
 			->set('password', $qb->createNamedParameter($share->getPassword()))
 			->set('expiration', $qb->createNamedParameter($share->getExpirationDate(), IQueryBuilder::PARAM_DATE))
+			->set('note', $qb->createNamedParameter($share->getNote()))
 			->execute();
 
+		if ($originalShare->getNote() !== $share->getNote() && $share->getNote() !== '') {
+			$this->sendNote($share);
+		}
+
 		return $share;
 	}
 
diff --git a/core/Migrations/Version14000Date20180712153140.php b/core/Migrations/Version14000Date20180712153140.php
new file mode 100644
index 00000000000..04e682a4f68
--- /dev/null
+++ b/core/Migrations/Version14000Date20180712153140.php
@@ -0,0 +1,45 @@
+<?php
+/**
+ * @copyright Copyright (c) 2018 Bjoern Schiessle <bjoern@schiessle.org>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+namespace OC\Core\Migrations;
+
+use OCP\Migration\SimpleMigrationStep;
+
+/**
+ * add column for share notes
+ *
+ * Class Version14000Date20180712153140
+ */
+class Version14000Date20180712153140 extends SimpleMigrationStep {
+	public function changeSchema(\OCP\Migration\IOutput $output, \Closure $schemaClosure, array $options) {
+
+		/** @var ISchemaWrapper $schema */
+		$schema = $schemaClosure();
+
+		$table = $schema->getTable('share');
+		$table->addColumn('note', 'text', [
+			'notnull' => true,
+			'default' => ''
+		]);
+
+		return $schema;
+	}
+}
diff --git a/lib/private/Share20/DefaultShareProvider.php b/lib/private/Share20/DefaultShareProvider.php
index 5e52156d1d0..1d7dddcaf4a 100644
--- a/lib/private/Share20/DefaultShareProvider.php
+++ b/lib/private/Share20/DefaultShareProvider.php
@@ -30,8 +30,13 @@
 namespace OC\Share20;
 
 use OC\Files\Cache\Cache;
+use OCP\Defaults;
 use OCP\Files\Folder;
+use OCP\IL10N;
+use OCP\IUser;
+use OCP\Mail\IMailer;
 use OCP\Share\IShare;
+use OCP\Share\IShareHelper;
 use OCP\Share\IShareProvider;
 use OC\Share20\Exception\InvalidShare;
 use OC\Share20\Exception\ProviderException;
@@ -67,6 +72,15 @@ class DefaultShareProvider implements IShareProvider {
 	/** @var IRootFolder */
 	private $rootFolder;
 
+	/** @var IMailer */
+	private $mailer;
+
+	/** @var Defaults */
+	private $defaults;
+
+	/** @var IL10N */
+	private $l;
+
 	/**
 	 * DefaultShareProvider constructor.
 	 *
@@ -74,16 +88,25 @@ class DefaultShareProvider implements IShareProvider {
 	 * @param IUserManager $userManager
 	 * @param IGroupManager $groupManager
 	 * @param IRootFolder $rootFolder
+	 * @param IMailer $mailer ;
+	 * @param Defaults $defaults
+	 * @param IL10N $l
 	 */
 	public function __construct(
 			IDBConnection $connection,
 			IUserManager $userManager,
 			IGroupManager $groupManager,
-			IRootFolder $rootFolder) {
+			IRootFolder $rootFolder,
+			IMailer $mailer,
+			Defaults $defaults,
+			IL10N $l) {
 		$this->dbConn = $connection;
 		$this->userManager = $userManager;
 		$this->groupManager = $groupManager;
 		$this->rootFolder = $rootFolder;
+		$this->mailer = $mailer;
+		$this->defaults = $defaults;
+		$this->l = $l;
 	}
 
 	/**
@@ -197,6 +220,9 @@ class DefaultShareProvider implements IShareProvider {
 	 * @return \OCP\Share\IShare The share object
 	 */
 	public function update(\OCP\Share\IShare $share) {
+
+		$originalShare = $this->getShareById($share->getId());
+
 		if ($share->getShareType() === \OCP\Share::SHARE_TYPE_USER) {
 			/*
 			 * We allow updating the recipient on user shares.
@@ -211,6 +237,7 @@ class DefaultShareProvider implements IShareProvider {
 				->set('item_source', $qb->createNamedParameter($share->getNode()->getId()))
 				->set('file_source', $qb->createNamedParameter($share->getNode()->getId()))
 				->set('expiration', $qb->createNamedParameter($share->getExpirationDate(), IQueryBuilder::PARAM_DATE))
+				->set('note', $qb->createNamedParameter($share->getNote()))
 				->execute();
 		} else if ($share->getShareType() === \OCP\Share::SHARE_TYPE_GROUP) {
 			$qb = $this->dbConn->getQueryBuilder();
@@ -222,6 +249,7 @@ class DefaultShareProvider implements IShareProvider {
 				->set('item_source', $qb->createNamedParameter($share->getNode()->getId()))
 				->set('file_source', $qb->createNamedParameter($share->getNode()->getId()))
 				->set('expiration', $qb->createNamedParameter($share->getExpirationDate(), IQueryBuilder::PARAM_DATE))
+				->set('note', $qb->createNamedParameter($share->getNote()))
 				->execute();
 
 			/*
@@ -235,6 +263,7 @@ class DefaultShareProvider implements IShareProvider {
 				->set('item_source', $qb->createNamedParameter($share->getNode()->getId()))
 				->set('file_source', $qb->createNamedParameter($share->getNode()->getId()))
 				->set('expiration', $qb->createNamedParameter($share->getExpirationDate(), IQueryBuilder::PARAM_DATE))
+				->set('note', $qb->createNamedParameter($share->getNote()))
 				->execute();
 
 			/*
@@ -259,9 +288,15 @@ class DefaultShareProvider implements IShareProvider {
 				->set('file_source', $qb->createNamedParameter($share->getNode()->getId()))
 				->set('token', $qb->createNamedParameter($share->getToken()))
 				->set('expiration', $qb->createNamedParameter($share->getExpirationDate(), IQueryBuilder::PARAM_DATE))
+				->set('note', $qb->createNamedParameter($share->getNote()))
 				->execute();
 		}
 
+		if ($originalShare->getNote() !== $share->getNote() && $share->getNote() !== '') {
+			$this->propagateNote($share);
+		}
+
+
 		return $share;
 	}
 
@@ -1227,4 +1262,98 @@ class DefaultShareProvider implements IShareProvider {
 
 		return $best;
 	}
+
+	/**
+	 * propagate notes to the recipients
+	 *
+	 * @param IShare $share
+	 * @throws \OCP\Files\NotFoundException
+	 */
+	private function propagateNote(IShare $share) {
+		if ($share->getShareType() === \OCP\Share::SHARE_TYPE_USER) {
+			$user = $this->userManager->get($share->getSharedWith());
+			$this->sendNote([$user], $share);
+		} else if ($share->getShareType() === \OCP\Share::SHARE_TYPE_GROUP) {
+			$group = $this->groupManager->get($share->getSharedWith());
+			$groupMembers = $group->getUsers();
+			$this->sendNote($groupMembers, $share);
+		}
+	}
+
+	/**
+	 * send note by mail
+	 *
+	 * @param array $recipients
+	 * @param IShare $share
+	 * @throws \OCP\Files\NotFoundException
+	 */
+	private function sendNote(array $recipients, IShare $share) {
+
+		$toList = [];
+
+		foreach ($recipients as $recipient) {
+			/** @var IUser $recipient */
+			$email = $recipient->getEMailAddress();
+			if ($email) {
+				$toList[$email] = $recipient->getDisplayName();
+			}
+		}
+
+		if (!empty($toList)) {
+
+			$filename = $share->getNode()->getName();
+			$initiator = $share->getSharedBy();
+			$note = $share->getNote();
+
+			$initiatorUser = $this->userManager->get($initiator);
+			$initiatorDisplayName = ($initiatorUser instanceof IUser) ? $initiatorUser->getDisplayName() : $initiator;
+			$initiatorEmailAddress = ($initiatorUser instanceof IUser) ? $initiatorUser->getEMailAddress() : null;
+
+			$plainBodyPart = $this->l->t("%s shared »%s« with you and want to add:\n", [$initiatorDisplayName, $filename]);
+			$htmlBodyPart = $this->l->t('%s shared »%s« with you and want to add:', [$initiatorDisplayName, $filename]);
+
+			$message = $this->mailer->createMessage();
+
+			$emailTemplate = $this->mailer->createEMailTemplate('defaultShareProvider.sendNote', [
+				'filename' => $filename,
+				'note' => $note,
+				'initiator' => $initiatorDisplayName,
+				'initiatorEmail' => $initiatorEmailAddress,
+				'shareWith' => $recipient,
+			]);
+
+			$emailTemplate->setSubject($this->l->t('»%s« added a note to a file shared with you', [$initiatorDisplayName]));
+			$emailTemplate->addHeader();
+			$emailTemplate->addHeading($this->l->t('Note regarding »%s«', [$filename]), false);
+			$emailTemplate->addBodyText(htmlspecialchars($htmlBodyPart), $plainBodyPart);
+			$emailTemplate->addBodyText($note);
+
+			// The "From" contains the sharers name
+			$instanceName = $this->defaults->getName();
+			$senderName = $this->l->t(
+				'%s via %s',
+				[
+					$initiatorDisplayName,
+					$instanceName
+				]
+			);
+			$message->setFrom([\OCP\Util::getDefaultEmailAddress($instanceName) => $senderName]);
+			if ($initiatorEmailAddress !== null) {
+				$message->setReplyTo([$initiatorEmailAddress => $initiatorDisplayName]);
+				$emailTemplate->addFooter($instanceName . ' - ' . $this->defaults->getSlogan());
+			} else {
+				$emailTemplate->addFooter();
+			}
+
+			if (count($toList) === 1) {
+				$message->setTo($toList);
+			} else {
+				$message->setTo([]);
+				$message->setBcc($toList);
+			}
+			$message->useTemplate($emailTemplate);
+			$this->mailer->send($message);
+		}
+
+	}
 }
diff --git a/lib/private/Share20/ProviderFactory.php b/lib/private/Share20/ProviderFactory.php
index e4d34146911..22a2fe7a019 100644
--- a/lib/private/Share20/ProviderFactory.php
+++ b/lib/private/Share20/ProviderFactory.php
@@ -81,7 +81,10 @@ class ProviderFactory implements IProviderFactory {
 				$this->serverContainer->getDatabaseConnection(),
 				$this->serverContainer->getUserManager(),
 				$this->serverContainer->getGroupManager(),
-				$this->serverContainer->getLazyRootFolder()
+				$this->serverContainer->getLazyRootFolder(),
+				$this->serverContainer->getMailer(),
+				$this->serverContainer->query(Defaults::class),
+				$this->serverContainer->getL10N('sharing')
 			);
 		}
 
diff --git a/lib/private/Share20/Share.php b/lib/private/Share20/Share.php
index d7810165dac..73373c7823d 100644
--- a/lib/private/Share20/Share.php
+++ b/lib/private/Share20/Share.php
@@ -57,6 +57,8 @@ class Share implements \OCP\Share\IShare {
 	private $shareOwner;
 	/** @var int */
 	private $permissions;
+	/** @var string */
+	private $note = '';
 	/** @var \DateTime */
 	private $expireDate;
 	/** @var string */
@@ -311,6 +313,21 @@ class Share implements \OCP\Share\IShare {
 	/**
 	 * @inheritdoc
 	 */
+	public function setNote($note) {
+		$this->note = $note;
+		return $this;
+	}
+
+	/**
+	 * @inheritdoc
+	 */
+	public function getNote() {
+		return $this->note;
+	}
+
+	/**
+	 * @inheritdoc
+	 */
 	public function setExpirationDate($expireDate) {
 		//TODO checks
 
diff --git a/lib/public/Share/IShare.php b/lib/public/Share/IShare.php
index 870794d6536..5303cde45a6 100644
--- a/lib/public/Share/IShare.php
+++ b/lib/public/Share/IShare.php
@@ -223,6 +223,24 @@ interface IShare {
 	public function getPermissions();
 
 	/**
+	 * Attach a note to a share
+	 *
+	 * @param string $note
+	 * @return \OCP\Share\IShare The modified object
+	 * @since 14.0.0
+	 */
+	public function setNote($note);
+
+	/**
+	 * Get note attached to a share
+	 *
+	 * @return string
+	 * @since 14.0.0
+	 */
+	public function getNote();
+
+
+	/**
 	 * Set the expiration date
 	 *
 	 * @param null|\DateTime $expireDate
diff --git a/version.php b/version.php
index 5c288428c13..c18ca01286b 100644
--- a/version.php
+++ b/version.php
@@ -29,7 +29,7 @@
 // between betas, final and RCs. This is _not_ the public version number. Reset minor/patchlevel
 // when updating major/minor version number.
 
-$OC_Version = array(14, 0, 0, 10);
+$OC_Version = array(14, 0, 0, 11);
 
 // The human readable string
 $OC_VersionString = '14.0.0 alpha';